diff --git a/.github/workflows/_cve_fetch.yml b/.github/workflows/_cve_fetch.yml
index 43cb46b33073..e8ac3f415dcb 100644
--- a/.github/workflows/_cve_fetch.yml
+++ b/.github/workflows/_cve_fetch.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Set vars
       id: vars
       run: |
diff --git a/.github/workflows/_cve_scan.yml b/.github/workflows/_cve_scan.yml
index f4a885b6c769..12c8ac16e445 100644
--- a/.github/workflows/_cve_scan.yml
+++ b/.github/workflows/_cve_scan.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Set vars
       id: vars
       run: |
diff --git a/.github/workflows/_precheck_deps.yml b/.github/workflows/_precheck_deps.yml
index 70d5c78fcefe..b81352923ea5 100644
--- a/.github/workflows/_precheck_deps.yml
+++ b/.github/workflows/_precheck_deps.yml
@@ -61,7 +61,7 @@ jobs:
     if: ${{ inputs.dependency-review }}
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
       with:
         ref: ${{ fromJSON(inputs.request).request.sha }}
         persist-credentials: false
diff --git a/.github/workflows/codeql-daily.yml b/.github/workflows/codeql-daily.yml
index 83d83778b654..4f09df78f1b7 100644
--- a/.github/workflows/codeql-daily.yml
+++ b/.github/workflows/codeql-daily.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
 
     - name: Free disk space
       uses: envoyproxy/toolshed/gh-actions/diskspace@actions-v0.3.31
diff --git a/.github/workflows/codeql-push.yml b/.github/workflows/codeql-push.yml
index a709d8bd8244..7726fe5c70d0 100644
--- a/.github/workflows/codeql-push.yml
+++ b/.github/workflows/codeql-push.yml
@@ -34,7 +34,7 @@ jobs:
     if: github.repository == 'envoyproxy/envoy'
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
       with:
         fetch-depth: 2
 
diff --git a/.github/workflows/envoy-dependency.yml b/.github/workflows/envoy-dependency.yml
index 57a7edc2b2f3..ffbcd73a8482 100644
--- a/.github/workflows/envoy-dependency.yml
+++ b/.github/workflows/envoy-dependency.yml
@@ -146,7 +146,7 @@ jobs:
           path: envoy
           fetch-depth: 0
         token: ${{ steps.appauth.outputs.token }}
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
       name: Checkout Envoy build tools repository
       with:
         repository: envoyproxy/envoy-build-tools
@@ -256,7 +256,7 @@ jobs:
       issues: write
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Run dependency checker
       run: |
         TODAY_DATE=$(date -u -I"date")
diff --git a/.github/workflows/envoy-security-check.yml b/.github/workflows/envoy-security-check.yml
index b4e364c0f264..5fa88bdef4b8 100644
--- a/.github/workflows/envoy-security-check.yml
+++ b/.github/workflows/envoy-security-check.yml
@@ -101,7 +101,7 @@ jobs:
     # SLACK
     - name: Checkout repository (secure branch)
       if: matrix.action == 'slack'
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         # Explicitly checkout main to avoid malicious code
         ref: main
diff --git a/.github/workflows/mobile-release.yml b/.github/workflows/mobile-release.yml
index 164b384e6a62..dc076999576b 100644
--- a/.github/workflows/mobile-release.yml
+++ b/.github/workflows/mobile-release.yml
@@ -89,7 +89,7 @@ jobs:
         include:
         - output: envoy
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
       with:
         fetch-depth: 0
     - name: Add safe directory
diff --git a/.github/workflows/pr_notifier.yml b/.github/workflows/pr_notifier.yml
index 438e8d007de2..6cf5b6d27875 100644
--- a/.github/workflows/pr_notifier.yml
+++ b/.github/workflows/pr_notifier.yml
@@ -24,7 +24,7 @@ jobs:
               || !contains(github.actor, '[bot]'))
       }}
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Notify about PRs
       run: |
         ARGS=()
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index c69d00581382..55b925884baf 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: "Checkout code"
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
       with:
         persist-credentials: false
 
diff --git a/.github/workflows/toolchain-test.yml b/.github/workflows/toolchain-test.yml
index 04c2c9ae3a64..b2951e92b960 100644
--- a/.github/workflows/toolchain-test.yml
+++ b/.github/workflows/toolchain-test.yml
@@ -32,7 +32,7 @@ jobs:
     name: "Test: ${{ matrix.name }}"
     steps:
     - name: Checkout repository
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3  # v6.0.0
     - name: Run matrix test
       run: |
         cd ci/matrix